Cilantro and Hypothyroidism

Cilantro has a reputation as one of the world’s most polarizing herbs. Some of us love it’s pungent and citrusy leaves. Some of us equate it with eating hand sanitizer. For those of you who think cilantro tastes like soap, apologies and have a nice day. For the rest of you, I think you better read this.

Why Should We Care About Cilantro and Hypothyroidism?

If you follow me on Facebook or Twitter, then you know I’ve been doing some interesting reading about cilantro, as well as the link between heavy metal toxicity and they thyroid. Boy did I dig up some dirt. Buckle in and put your game face on thyroid warriors, because this one’s a roller coaster. Let’s start with some of the good stuff.

Did you know that cilantro, is a powerful detoxifying herb? Or that it can help stabilize blood sugar, fight infection, protect the heart, reduce anxiety and help you sleep? These are just a few of the benefits outlined in this article by Dr. Josh Axe, which I highly recommend reading. It’s a thorough primer on the benefits and key nutrients which abound in both Cilantro (aka Chinese Parsley) and the seed form of cilantro, commonly referred to as coriander.

Coriander seeds and leaves, which are also known as cilantro or Chinese parsley.

For our purposes here on Hypothyroid Chef, I’m going to focus on the detox factor of cilantro. The reason why is that heavy metal toxicity in the body, from substances like lead, mercury, aluminum, cadmium, and arsenic, is closely intertwined with our thyroid health.

Heavy metals are everywhere– the air, the water, the soil. They are an unavoidable part of the Earth we call mother and home.

One major source of heavy metal pollution is the burning of coal and fossil fuels, which puts stuff like mercury into our environment. Those toxic metals make their way into our bodies through the food we eat, the air we breathe, and the water we drink, and our bodies really don’t benefit from them. We’ve all been reminded of the irreversible health consequences of ingesting lead, for example, while witnessing the Flint water supply debacle.

As the world gets exponentially more populated and polluted, heavy metals are likely going to increase in our environment and therefore our bodies. Health issues like autoimmune-related thyroid disorders are part of that great web. It’s all inter-connected, right: our planet, our diet, and our well-being.

I know guys, this is heavy-duty stuff, but good news is coming. I promise. Stay with me though, because this next part is important.

The Link Between Mercury and Autoimmune Hypothyroidism (or Hashimoto’s)

Thyroid antibodies are an indicator of autoimmune hypothyroidism, otherwise known as Hashimoto’s Disease, in which the immune system attacks and destroys thyroid tissue. Some experts estimate that as many as 90% of hypothyroidism cases are in fact autoimmune. In other words, if you have been diagnosed with hypothyroidism, there’s a very strong chance you more specifically have Hashimoto’s Disease, but since most doctors only test TSH levels, and not thyroid antibodies, you may never know unless you request the recommended tests yourself.

What Can We Do To Minimize Our Mercury Levels?

For starters we can minimize our exposure to heavy metals by doing things like filtering our drinking water, and carefully selecting which types of fish to consume. This is good practice for anyone, hypothyroid or not, and especially children.

If you’re not already familiar, the Monterey Bay Aquarium’s Seafood Watch is an AMAZING resource for making choices that are healthy for our bodies, and for fish populations. Click here to find a printable consumer guide for your state, outlining which seafood choices are lower in mercury. I have kept one in my wallet for years, and refer to it often. They offer specific recommendations for sushi if you’re into that, and they even have an app.

The other thing we can do is add things to our diet that help remove toxic metals from the body. Like cilantro. Yay cilantro! Here comes the good news:

This medical study provides evidence that cilantro can accelerate the body’s urinary excretion of mercury and lead from the body.

Another study showed that lead levels in tissues were significantly decreased in laboratory mice by administering coriander.

Without the proper testing and detective work, it’s hard to pinpoint exactly what’s causing your hypothyroidism. Therefore, no single hypothyroid diet exists. But the mission I have rather inadvertently (albeit passionately) stepped into, is to find foods that are generally agreed upon as being supportive to and not diminishing thyroid function. You can read more about it in my Recipe Guidelines.

Even if you don’t have a speck of mercury in your body– which is impossible– cilantro is on the safe list for as far as the eye can see. If it helps rid you of some heavy metals along the way, bonus! If you are suffering from Hashimoto’s triggered by mercury exposure, double bonus!

Detoxes are extra popular these days, and if you’ve done one that helped you feel better, please share in the comments section below. Personally, I have tried a couple detoxes. They made me feel terrible, spaced-out, ravenously hungry, and exhausted. The boost in my energy levels that their proponents claimed would follow, never came. If there was any weight lost, it found it’s way back within days. So far, I’m not a huge fan. But I do know that adding more detoxifying foods like cilantro, in moderation, to a well-balanced diet has not made me feel terrible or exhausted, and is hopefully helping to lighten my toxin load without over-stressing my bod.

Plus, cilantro just tastes good…to most of us ; )

How Can I Incorporate More Cilantro Into My Diet?

Cilantro can be so much more than just a garnish. There are millions of delicious cilantro-heavy recipes online. Here are a few that make me want to hit the kitchen:

What are your favorite ways to eat more cilantro? Please share in the comments section below. I will be sharing my recipe for Chicken Cilantro with you in next week’s post. Until then, I hope you’ve found some food for thought here, and a little extra inspiration to load up on that garnish.

Reader Interactions

Join the Discussion

I make chatney with cilantro, mint, onions, and garlic. Grind everything in the blender. Add salt, lemmon juice and green chillies to ur on preference when grinding. If it’s too thick u can add water to make it as liquidy as u want. Sometimes I add coconut water. Refrigerate and have it with what ever u want

Some experts say most green foods (kale, etc.) are considered goitrogenic and bad for hypothyroidism…would that include greens like cilantro and parsley, I wonder. What do you think about goitrogenic greens and hypothyroidism?

Hi! Thanks so much for your comment– good question. Many greens ARE goitrogenic, but I have never seen cilantro or parsley on a list of goitrogenic foods, so enjoy in good conscience! Multiple references say both are safe, as well as chard, romaine, green leaf and red leaf lettuce (and a few others). It seems like the thinking has changed among experts regarding goitrogens. Rather than avoiding them, I more often see recommendations to eat them in moderation, and to cook goitrogenic foods to reduce or eliminate the goitrogenic substances. A kale smoothie every single morning is probably a bad idea, whereas steamed, stir-fried, or wilted kale as part of a balanced and varied menu is a good way to get some of the great nutrition of goitrogenic greens, while mitigating your exposure to thyroid-supressing goitrogens. Hope this helps!

I make coriander “tea” in the morning. I just boil 2 tsp of coriander seeds in 1 1/2 cups of water for 15 minutes, then strain and add honey and drink on an empty stomach. It really makes a difference in how I feel!

Hello
I am going to start using cilantro on my salads as well as a tea ☕ every day and will let you know how it changes my life.
I am 54 and weigh 130 pounds, I had some of my thyroid removed when I was 16, always tried to eat healthy because when I didn’t, my weight would go up fast and I would feel it on my clothes, so now I have been eating mostly salads and it is getting harder to lose just a few pounds will keep you posted.

I have been suffering from fluctuating hypothyroidism, but after taking cilantro water every morning i started feeling better. Now the question is whether i can take it regularly..? Any side effects of taking it regularly ?

Hi Mamata, This is a good question for your doctor. I have not read any reports of side effects of eating cilantro in normal food-sized doses, though some have allergies to it. When people start eating large quantities of things on a regular basis, that’s a different thing– like taking it as a supplement. Use caution and seek proper medical advice.

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[…] are so many reasons why cilantro is good for those of us with hypothyroidism, that I dedicated an entire blog post to it last week, as part of my Featured Ingredient collection here on Hypothyroid Chef. I have […]

[…] Brown turmeric comprises one-half of the spice blend. Other ingredients include cumin, cardamom, coriander, dry mustard, and cayenne. In making my own curry powder I would add black pepper, which […]

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Hypothyroid Chef is a place to share my recipes and my quest for better thyroid health, with you. I am neither doctor, nor dietitian, but a passionate cook who wants to know more and feel better. This is not a place for medical advice, and any opinions shared are my own. Information shared on Hypothyroid Chef is for educational purposes only and is neither intended nor implied as a substitute for professional medical advice. Before implementing changes to your diet, exercise program, or lifestyle, please consult with your doctor.